On Fri, Jul 10, 2015 at 5:06 PM, Bob Alvarez <reward...@gmail.com> wrote: > On 7/10/15 4:38 AM, Scott Kostyshak wrote: > >> The only other idea is that maybe Qt (a GUI toolkit that LyX uses) is >> caching something on your flash drive. Again, I have no idea on Windows >> how find this out. 'strace' would be what I would use on Linux. >> >> Please keep us updated on this if you figure out the mystery. >> > > > I have cygwin installed on my computer so I tried using its strace command > to run Lyx. > > Unfortunately, this was not very edifying, at least to me. Perhaps cygwin is > not that well integrated into the windows operating system so it does not > report internal Windows system calls?? > > Bob > > Here is a capture of the commands and output with my comments: > > ---> Comment: first I tried to run Lyx with strace using some options > (V=version, d=debug). It just gave the version without running Lyx > --->end comment > > $ strace -Vd /cygdrive/c/PROGRA~2//LYX2~1.1//bin//lyx.exe P58BH3recon2.lyx > strace (cygwin) 1.7.35 > System Trace > Copyright (C) 2000 - 2015 Red Hat, Inc. > This is free software; see the source for copying conditions. There is NO > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. > bob@ivy /cygdrive/l/Projects/Blog/Posts/P58BH3recon2 > > > ---> comment > then I used strace without any options. Now it did run Lyx, I got the scan > of the flash drive but there was no output while Lyx was running. After I > exited Lyx (File|exit) I got the few lines of output shown below. > ----> end comment > > $ strace /cygdrive/c/PROGRA~2//LYX2~1.1//bin//lyx.exe P58BH3recon2.lyx > --- Process 1080, exception 4000001f at 0000000077A4129B > > bob@ivy /cygdrive/l/Projects/Blog/Posts/P58BH3recon2 > $ > > ---------->comment > I tried re-directing the output of the strace command but got essentially > the same result as shown above. The process number was different but the > memory address of the exception was the same. > -----------> end comment
I have no experience using Cygwin so I don't have any other ideas on this strategy. You might be right that it's hard for strace to follow native Windows system calls. Scott
